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Anjana Arora 1 Article
Squamous Metaplasia in Pleomorphic Adenoma: A Diagnostic and Prognostic Enigma
Swati Sharma, Monica Mehendiratta, Nivedita Chaudhary, Vineet Gupta, Maulshree Kohli, Anjana Arora
J Pathol Transl Med. 2018;52(6):411-415.   Published online October 1, 2018
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AbstractAbstract PDF
Pleomorphic adenoma (PA) is the most common benign salivary gland tumor. Histologically, squamous metaplasia has been reported in PA, but has rarely been documented as being extensive enough to cause significant misdiagnosis. Here, we present an unusual case of PA in a 50-year-old female patient presenting with swelling on the postero-lateral aspect of the palate for a week. Histopathologically, the tumor exhibited the features of conventional PA with extensive squamous metaplasia and giant keratotic lamellae in cyst-like areas. Such exuberant squamous metaplasia and keratin can be a diagnostic and prognostic pitfall and lead to overtreatment of the patient.


Citations to this article as recorded by  
  • Pleomorphic Adenoma with Extensive Squamous and Adipocytic Metaplasia Mimicking as Low Grade Mucoepidermoid Carcinoma on FNAC
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  • Aspiration cytology of pleomorphic adenoma with squamous metaplasia: A case series and literature review illustrating diagnostic challenges
    Joshua J. X. Li, Joanna K. M. Ng, Eric H. L. Lau, Amy B. W. Chan
    Diagnostic Cytopathology.2022; 50(2): 64.     CrossRef
  • Pleomorphic adenoma with extensive squamous metaplasia: The first well-documented case involving the submandibular gland
    David A. Gaskin, Alain Reid, Pamela S. Gaskin
    Human Pathology Reports.2022; 27: 300600.     CrossRef
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    Frontiers in Oncology.2021;[Epub]     CrossRef
  • A case report of pleomorphic adenoma squamous metaplasia resembling metastatic oral squamous cell carcinoma
    E. Donohoe, R. Courtney, S. Phelan, P.J. McCann
    Advances in Oral and Maxillofacial Surgery.2021; 2: 100074.     CrossRef
  • Extensive squamous metaplasia in minor salivary gland neoplasm mimicking squamous cell carcinoma: Diagnostic dilemma in aspiration cytology
    Renu Sukumaran, Nileena Nayak, RariP Mony
    Clinical Cancer Investigation Journal.2021; 10(5): 257.     CrossRef
  • Navigating small biopsies of salivary gland tumors: a pattern-based approach
    J. Stephen Nix, Lisa M. Rooper
    Journal of the American Society of Cytopathology.2020; 9(5): 369.     CrossRef
  • Giant Parotid Pleomorphic Adenoma with Atypical Histological Presentation and Long-Term Recurrence-Free Follow-Up after Surgery: A Case Report and Review of the Literature
    Mohammed AlKindi, Sundar Ramalingam, Lujain Abdulmajeed Hakeem, Manal A. AlSheddi
    Case Reports in Dentistry.2020; 2020: 1.     CrossRef
  • Pleomorphic adenoma of soft palate with extensive squamous metaplasia – A diagnostic enigma
    Rashmi Patnayak, Sandip Mohanty, AnjanKumar Sahoo, AdyaKinkara Panda, Amitabh Jena
    Journal of Dr. NTR University of Health Sciences.2019; 8(4): 268.     CrossRef

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